GB2293074B - Motion detector and key signal interpolator using same - Google Patents

Motion detector and key signal interpolator using same

Info

Publication number
GB2293074B
GB2293074B GB9517635A GB9517635A GB2293074B GB 2293074 B GB2293074 B GB 2293074B GB 9517635 A GB9517635 A GB 9517635A GB 9517635 A GB9517635 A GB 9517635A GB 2293074 B GB2293074 B GB 2293074B
Authority
GB
United Kingdom
Prior art keywords
same
key signal
motion detector
signal interpolator
interpolator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB9517635A
Other versions
GB9517635D0 (en
GB2293074A (en
Inventor
Brion L Dunbar
Daniel J Chaplin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Grass Valley Group Inc
Original Assignee
Grass Valley Group Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Grass Valley Group Inc filed Critical Grass Valley Group Inc
Publication of GB9517635D0 publication Critical patent/GB9517635D0/en
Publication of GB2293074A publication Critical patent/GB2293074A/en
Application granted granted Critical
Publication of GB2293074B publication Critical patent/GB2293074B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/74—Circuits for processing colour signals for obtaining special effects
    • H04N9/75—Chroma key
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/144—Movement detection

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Television Systems (AREA)
  • Picture Signal Circuits (AREA)
  • Color Television Systems (AREA)
GB9517635A 1994-09-08 1995-08-30 Motion detector and key signal interpolator using same Expired - Fee Related GB2293074B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/303,242 US5668609A (en) 1994-09-08 1994-09-08 Motion detector and key signal interpolator using same

Publications (3)

Publication Number Publication Date
GB9517635D0 GB9517635D0 (en) 1995-11-01
GB2293074A GB2293074A (en) 1996-03-13
GB2293074B true GB2293074B (en) 1998-09-02

Family

ID=23171166

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9517635A Expired - Fee Related GB2293074B (en) 1994-09-08 1995-08-30 Motion detector and key signal interpolator using same

Country Status (4)

Country Link
US (1) US5668609A (en)
JP (1) JP2955984B2 (en)
DE (1) DE19532151A1 (en)
GB (1) GB2293074B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5974184A (en) * 1997-03-07 1999-10-26 General Instrument Corporation Intra-macroblock DC and AC coefficient prediction for interlaced digital video
GB2356998A (en) * 1999-12-02 2001-06-06 Sony Uk Ltd Video signal processing
JP3653450B2 (en) * 2000-07-17 2005-05-25 三洋電機株式会社 Motion detection device
GB2446616B (en) 2006-12-06 2011-12-07 Sony Uk Ltd Motion adaptive image processing

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6046390A (en) * 1983-08-24 1985-03-13 Tanaka Kikinzoku Kogyo Kk Plating pretreatment
JPH04207582A (en) * 1990-11-30 1992-07-29 Sony Corp Image converter

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8328362D0 (en) * 1983-10-24 1983-11-23 Indep Broadcasting Authority Movement detector
NL8501582A (en) * 1985-02-12 1986-09-01 Philips Nv Interlaced video signal processor - chooses signal nearest to mean amplitude value for motion adaptive selection
DE3526596C2 (en) * 1985-07-25 1994-05-05 Nokia Deutschland Gmbh Circuit arrangement for the detection of movement in a television picture
US4768092A (en) * 1986-07-23 1988-08-30 Canon Kabushiki Kaisha Image signal conversion device
US4731648A (en) * 1986-09-29 1988-03-15 Rca Corporation Interstitial signal generating system
FR2623040B1 (en) * 1987-11-09 1990-02-09 France Etat METHOD AND DEVICE FOR PROCESSING INTERLACE FRAME SCAN IMAGE SIGNALS
US4941045A (en) * 1988-10-11 1990-07-10 Scientific-Atlanta, Inc. Method and apparatus for improving vertical definition of a television signal by scan conversion
US4967271A (en) * 1989-04-05 1990-10-30 Ives C. Faroudja Television scan line doubler including temporal median filter
GB8909498D0 (en) * 1989-04-26 1989-06-14 British Telecomm Motion estimator
EP0474276B1 (en) * 1990-09-03 1997-07-23 Koninklijke Philips Electronics N.V. Video image motion vector estimation with asymmetric update region
JP2924430B2 (en) * 1991-04-12 1999-07-26 三菱電機株式会社 Motion compensated predictive coding apparatus and motion compensated predictive decoding apparatus
US5410356A (en) * 1991-04-19 1995-04-25 Matsushita Electric Industrial Co., Ltd. Scanning-line interpolation apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6046390A (en) * 1983-08-24 1985-03-13 Tanaka Kikinzoku Kogyo Kk Plating pretreatment
JPH04207582A (en) * 1990-11-30 1992-07-29 Sony Corp Image converter

Also Published As

Publication number Publication date
JP2955984B2 (en) 1999-10-04
JPH0888867A (en) 1996-04-02
GB9517635D0 (en) 1995-11-01
US5668609A (en) 1997-09-16
DE19532151A1 (en) 1996-03-14
GB2293074A (en) 1996-03-13

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20140830